CN214112748U - Bicycle lifting seat tube stroke adjusting device - Google Patents
Bicycle lifting seat tube stroke adjusting device Download PDFInfo
- Publication number
- CN214112748U CN214112748U CN202023334768.2U CN202023334768U CN214112748U CN 214112748 U CN214112748 U CN 214112748U CN 202023334768 U CN202023334768 U CN 202023334768U CN 214112748 U CN214112748 U CN 214112748U
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- tube
- ring
- wall
- lantern ring
- pipe
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Abstract
A stroke regulator for the lifting saddle tube of bicycle features that an adjusting ring is linked to the sleeve ring arranged at the end of external tube for the internal tube to pass through, and is between said external tube and internal tube. The inner tube is extended into the outer tube, and the circumference of the outer wall of the tube is positioned with a plurality of limiting sheets which are evenly distributed, and the thickness of the limiting sheet part protrudes out of the outer wall of the tube of the inner tube and is provided with a protruding outer wall. The adjusting ring is provided with a plurality of step surfaces which are arranged in a step shape and have different axial heights towards the end of the limiting sheet, the protruding outer wall of the adjusting ring facing the limiting sheet is adjusted by rotating the adjusting ring to adjust the lifting stroke height of the seat tube, the stroke of the seat tube can be adjusted by the adjustment according to the height and the leg length of a rider, and the seat tube is quick and simple to adjust, free of tools, free of disassembly and easy to operate.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a bicycle lift seat pipe structure indicates especially to improve to the adjustment of seat pipe lift stroke, can adjust the structure of seat pipe stroke according to rider's height, leg length, has the bicycle lift seat pipe stroke adjusting device that the adjustment is quick, simple and easy and exempt from the instrument, exempt from to dismantle and easily operate.
[ background of the invention ]
When the bicycle is ridden, the height of the seat cushion must be adjusted according to the height of the individual to make the bicycle comfortable. For the lifting adjustment mechanism of the seat tube in the past, the utility model has applied for the Chinese utility model patent publication No. CN107914796B "" lifting adjustment mechanism of the bicycle seat cushion, Chinese utility model patent publication No. CN107813886B "" bicycle seat post structure of the bicycle, Chinese utility model patent publication No. CN108423101B "" seat tube lifting adjustment mechanism of the bicycle, Chinese utility model patent publication No. CN107150741B "" bicycle seat tube height adjustment mechanism of the bicycle, Chinese taiwan utility model patent certificate No. I639528 "" bicycle seat post structure, Chinese taiwan utility model patent certificate No. I638740 "" seat tube lifting adjustment mechanism of the bicycle, Chinese taiwan utility model patent certificate No. I622512 "" lifting control unit of the bicycle seat tube height adjustment mechanism, Chinese taiwan utility model patent certificate No. I570012 "" bicycle seat tube height adjustment mechanism, etc.
The conventional mechanism for adjusting the stroke of a seat tube is, for example, the "adjustment assembly for the stroke of a seat post of a bicycle" published in Taiwan of China under the number 202015959 (hereinafter referred to as the conventional case). The conventional seat post stroke change is achieved by replacing the shim to customize the seat post stroke. However, in the prior art, to replace the shim, the collar (component number 106) is unscrewed from the outer nozzle, the shim is then withdrawn and replaced, and the collar is then tightened. Therefore, the operation is inconvenient, and when the lantern ring is retreated from the outer pipe opening, dust particles fall into the outer pipe to cause unsmooth lifting and displacement of the seat pipe and influence the service life, so that the improvement is obviously needed.
[ Utility model ] content
The utility model aims at providing a structure that can adjust the seat pipe stroke according to the height of the rider, leg length has the bicycle lift seat pipe stroke adjusting device that the adjustment is quick, simple and easy and exempt from the instrument, exempt from to dismantle and easily operate.
The utility model is mainly characterized in that the outer tube is provided with a lantern ring which is arranged at the mouth of pipe through which the inner tube penetrates, the lantern ring is linked with an adjusting ring, the adjusting ring is arranged between the outer tube and the inner tube, and the middle of the adjusting ring is penetrated by the inner tube. The inner tube is extended into the outer tube, and the circumference of the outer wall of the tube is positioned with a plurality of limiting sheets which are evenly distributed, and the thickness of the limiting sheet part protrudes out of the outer wall of the tube of the inner tube and is provided with a protruding outer wall. The adjusting ring is provided with a plurality of step surfaces which are arranged in a step shape and have different axial heights towards the end of the limiting sheet, and the protruding outer wall of the adjusting ring facing the limiting sheet is adjusted by rotating the adjusting ring so as to adjust the lifting stroke height of the seat tube. The adjusting device has the advantages of simple and convenient adjusting operation, no need of loosening the lantern ring to retreat from the mouth of the outer pipe, and prevention of dust particles from entering the outer pipe, so that the service life of the seat pipe and the smoothness of adjusting displacement are not influenced.
In order to make the technical solution of the present invention clearer, the detailed description is as follows:
a bicycle lifting seat tube stroke adjusting device comprises an outer tube, an inner tube, a piston rod and a lantern ring; wherein the content of the first and second substances,
the inner tube is provided with a first end extending into the outer tube, a valve seat is arranged in a tube opening of the first end, a plurality of limiting sheets are uniformly distributed on the circumferential surface of the outer wall of the tube, and part of the radial thickness of each limiting sheet protrudes out of the outer wall of the inner tube and is provided with a protruding outer wall; the inner tube is positioned at the second end of the first end;
the outer tube is provided with two ends, one end is a connecting end, the other end is a fixed end, and the first end of the inner tube extends into the connecting end; the inner wall of the outer pipe corresponds to the position of the limiting piece, and is provided with a corresponding concave limiting groove which extends axially and is used for the limiting piece to be embedded in and limiting the inner pipe to only move axially;
the piston rod is provided with a firing pin, one end of the firing pin penetrates into the outer tube from the fixed end, and a control valve is fixed at the end part and is positioned in the inner tube; the other end of the firing pin passes through a sealing ring which seals the pipe orifice of the fixed end; when the axial displacement of the firing pin is controlled, the control valve is controlled to open or close the valve hole of the valve seat;
the lantern ring is arranged at the connecting end and used for sealing the pipe orifice of the outer pipe of the connecting end; the middle of the lantern ring is provided with a through hole for the inner pipe to freely move axially; the lantern ring is limited to the position of the connecting end to rotate in a rotary mode;
the method is characterized in that: an adjusting ring is arranged, one end of the adjusting ring is linked with the lantern ring by a fixing unit and is linked integrally; the other end is provided with an acting part which is positioned between the inner pipe and the outer pipe; the action part faces and corresponds to each limiting sheet end and is provided with a step-shaped arranged first-order surface group consisting of step surfaces with different axial heights, and one of the step surfaces corresponds to the protruding outer wall; the adjusting ring is integrally rotated by rotating the sleeve ring, namely different step surfaces are adjusted to be in contact with the protruding outer wall, so that the height stroke of the seat tube is adjusted.
In the above-mentioned bicycle lifting seat tube stroke adjusting device, the second end is fixed with a base to connect a seat cushion.
In the above bicycle lifting seat tube stroke adjusting device, the outer wall of the connecting end is provided with the outer tooth surface, the inner wall of the lantern ring is matched with the outer tooth surface to form the inner tooth surface, so that the lantern ring is fixed at the connecting end, and the lantern ring can be rotatably adjusted and rotated.
In the above-mentioned bicycle lifting seat tube stroke adjusting device, the surface of the collar is provided with scales, and the scales are set to be matched with the step surface.
In the above-mentioned bicycle lifting seat tube stroke adjusting device, the fixing unit has a snap ring turned outwards at the top edge of the adjusting ring, and the outer peripheral surface below the snap ring is provided with a plurality of outer tangent planes; the inner wall of the lantern ring is matched with the positions of the snap ring and the outer flat section and is provided with a ring supporting surface and a plurality of inner flat sections, the whole snap ring is clamped on the supporting surface, and the outer flat sections are attached to the inner flat sections and the outer flat sections, so that the adjusting ring can rotate together when the lantern ring rotates.
The utility model has the advantages and beneficial effects that: the structure can adjust the stroke of the seat tube according to the height and the leg length of a rider, and has the advantages of quick and simple adjustment, no tool, no disassembly and easy operation.
[ description of the drawings ]
Fig. 1 is a perspective view of the embodiment of the present invention.
Fig. 2 is a perspective view of the outer tube according to the embodiment of the present invention.
Fig. 3 is a combined cross-sectional view of an embodiment of the present invention.
Fig. 4 is an exploded perspective view of an embodiment of the present invention.
Fig. 5 is a partially exploded view of an embodiment of the present invention.
Fig. 6 is an enlarged view of the position a of fig. 3.
Figure 7 is a cross-sectional top view of 7s-7s of figure 6.
Fig. 8 is a diagram showing adjustment operations in embodiments (a) to (d) of the present invention.
The numbers in the figures illustrate the following:
The outer tooth surface 13 of the fixed end 12 limits the groove 14
The limiting piece 23 protrudes out of the second end 24 of the outer wall 230
Plunger rod 30 striker 31 of base 25
Outer planar surface 62, support surface 63 and inner planar surface 64
[ detailed description ] embodiments
Referring to fig. 1 to 5, a bicycle lifting seat tube stroke adjusting device 1 according to an embodiment of the present invention mainly includes an outer tube 10, an inner tube 20, a piston rod 30, a sleeve ring 40 and an adjusting ring 50. Wherein the content of the first and second substances,
the inner tube 20 (as shown in fig. 4) has a first end 21 extending into the outer tube 10, a valve seat 22 is disposed in the orifice of the first end 21, a plurality of uniformly distributed restricting pieces 23 are positioned on the peripheral surface of the outer wall of the tube, and a part of the radial thickness of the restricting pieces 23 protrudes out of the outer wall of the inner tube 20 and has a protruding outer wall 230; the opposite end of the inner tube 20 from the first end 21 is a second end 24, and a base 25 is fixed to the second end 24 for connecting to a seat cushion of the bicycle, and the inner tube 20 is the seat tube.
The outer tube 10 (as shown in fig. 4) has a connecting end 11 at one end and a fixed end 12 at the other end, the connecting end 11 is used for the first end 21 of the inner tube 20 to extend into, and the outer wall of the first end 21 has an outer tooth surface 13. The inner wall of the outer tube 10 is provided with a concave and axial regulating groove 14 corresponding to the position of the regulating piece 23, so that the regulating piece 23 can be inserted into the groove and the inner tube 20 can be regulated to move only in the axial direction without rotating.
The piston rod 30 (as shown in fig. 4) has a striker 31, one end of the striker 31 penetrates the outer tube 10 from the fixed end 12 of the outer tube 10, and the end is fixed with a control valve 32 extending into the inner tube 20. The other end of the striker 31 is located outside the outer tube 10 through a sealing ring 33, and the sealing ring 33 can seal the opening of the fixed end 12 of the outer tube 10. The axial displacement of the striker 31 is controlled, and the synchronous axial displacement of the control valve 32 is controlled to open or close the valve hole of the valve seat 22.
The collar 40 (shown in fig. 4 and 5) is disposed at the connection end 11 of the outer tube 10, and covers the connection end 11 of the outer tube 10. The middle part has a through hole 41 for allowing the inner tube 20 to freely move axially. The inner wall of the collar 40 has an inner tooth surface 42 that cooperates with the outer tooth surface 13 to secure the connection end 11 in place.
The adjusting ring 50 (as shown in fig. 4 and 5, which is also the main improvement of the present invention) is located below the collar 40, and is connected to the collar 40 by a fixing unit 60, and is integrally linked with the collar 40. The adjusting ring 50 has an acting portion 51, and the acting portion 51 is located between the outer tube 10 and the inner tube 20. The action portion 51 faces and corresponds to each end of the limiting piece 23, and has a step group 52 (4 step surfaces 52a, 52b, 52c, 52d are configured as an example) which is arranged in a step shape and is composed of step surfaces 52a, 52b, 52c, 52d with different axial heights, and one of the step surfaces 52a, 52b, 52c, 52d corresponds to the protruding outer wall 230 of the limiting piece 23. The adjusting ring 40 is rotated to adjust the step surfaces 52a, 52b, 52c and 52d of the adjusting ring 50 to align with the limiting plate 23, so as to adjust the height of the seat tube lifting stroke.
In the fixing unit 60 (as shown in fig. 4 to 7), the fixing unit 60 has a snap ring 61 folded outwards at the top edge of the adjusting ring 50, and a plurality of external flat surfaces 62 are disposed on the outer peripheral surface below the snap ring 61. The inner wall of the collar 40 is provided with a ring supporting surface 63 and a plurality of inner flat surfaces 64 at positions matching the positions of the snap ring 61 and the outer flat surfaces 62, wherein the snap ring 61 can be completely clamped on the supporting surface 63, and the outer flat surfaces 62 and the inner flat surfaces 64 are attached to each other in an inner and outer manner (as shown in fig. 7), so that the adjusting ring 50 can rotate synchronously when the collar 40 rotates.
Next, an adjustment scale 43 (as shown in fig. 8) can be disposed on the collar 40, the scale 43 is configured to cooperate with the steps 52a, 52b, 52c, 52d, so that the display of the scale 43 can understand which steps 52a, 52b, 52c, 52d are aligned with the restricting plate 23, which is convenient for the user to adjust.
When the above components are combined in sequence, when in use, the adjusting collar 40 can be adjusted to link the adjusting ring 50 to adjust the step surfaces 52a, 52b, 52c, 52d to align with the limiting plate 23, so that the top end of the protruding outer wall 230 is pushed against the corresponding step surfaces 52a, 52b, 52c, 52d (as shown in fig. 8 (a) to (d)), and the step surfaces 52a, 52b, 52c, 52d with different axial heights are adjusted to be in contact with the protruding outer wall 230, thereby adjusting the stroke height of the inner tube 20 (i.e. the seat tube). Therefore, the adjusting ring 50 is driven by the rotary adjusting ring 40 to rotate synchronously, so that the stroke height of the inner tube 20 (seat tube) can be adjusted, and the adjustment of the seat tube actuating stroke can be completed without detaching the adjusting ring 40 from the outer tube 10 and replacing the length of the limiting piece 23 as in the conventional case. Therefore, the utility model discloses in using, can adjust the seat pipe stroke according to rider's height, leg length, have the adjustment fast, simple and easy and exempt from the instrument, exempt from to dismantle and easy efficiency of operation, have not only novelty and have the creativity.
Claims (5)
1. A bicycle lifting seat tube stroke adjusting device comprises an outer tube, an inner tube, a piston rod and a lantern ring; wherein the content of the first and second substances,
the inner tube is provided with a first end extending into the outer tube, a valve seat is arranged in a tube opening of the first end, a plurality of limiting sheets are uniformly distributed on the circumferential surface of the outer wall of the tube, and part of the radial thickness of each limiting sheet protrudes out of the outer wall of the inner tube and is provided with a protruding outer wall; the inner tube is positioned at the second end of the first end;
the outer tube is provided with two ends, one end is a connecting end, the other end is a fixed end, and the first end of the inner tube extends into the connecting end; the inner wall of the outer pipe corresponds to the position of the limiting piece, and is provided with a corresponding concave limiting groove which extends axially and is used for the limiting piece to be embedded in and limiting the inner pipe to only move axially;
the piston rod is provided with a firing pin, one end of the firing pin penetrates into the outer tube from the fixed end, and a control valve is fixed at the end part and is positioned in the inner tube; the other end of the firing pin passes through a sealing ring which seals the pipe orifice of the fixed end; when the axial displacement of the firing pin is controlled, the control valve is controlled to open or close the valve hole of the valve seat;
the lantern ring is arranged at the connecting end and used for sealing the pipe orifice of the outer pipe of the connecting end; the middle of the lantern ring is provided with a through hole for the inner pipe to freely move axially; the lantern ring is limited to the position of the connecting end to rotate in a rotary mode;
the method is characterized in that: an adjusting ring is arranged, one end of the adjusting ring is linked with the lantern ring by a fixing unit and is linked integrally; the other end is provided with an acting part which is positioned between the inner pipe and the outer pipe; the action part faces and corresponds to each limiting sheet end and is provided with a step-shaped arranged first-order surface group consisting of step surfaces with different axial heights, and one of the step surfaces corresponds to the protruding outer wall; the adjusting ring is integrally rotated by rotating the sleeve ring, namely different step surfaces are adjusted to be in contact with the protruding outer wall, so that the height stroke of the seat tube is adjusted.
2. The bicycle riser stroke adjusting device of claim 1, wherein: the second end is fixed with a base to connect with a seat cushion.
3. The bicycle riser stroke adjusting device of claim 1, wherein: the outer wall of the pipe of this link is provided with outer flank, and this outer flank of inner wall cooperation of this lantern ring has interior flank to fixed this lantern ring is in this link position, and this lantern ring can be transferred soon and rotate.
4. The bicycle riser stroke adjusting device according to claim 1 or 3, wherein: the surface of the lantern ring is provided with scales which are set to be matched with the positions of the step surfaces.
5. The bicycle riser stroke adjusting device of claim 1, wherein: the fixed unit is provided with a snap ring which is turned over outwards and arranged on the top edge of the adjusting ring, and the peripheral surface below the snap ring is provided with a plurality of external tangent planes; the inner wall of the lantern ring is matched with the positions of the snap ring and the outer flat section and is provided with a ring supporting surface and a plurality of inner flat sections, the whole snap ring is clamped on the supporting surface, and the outer flat sections are attached to the inner flat sections and the outer flat sections, so that the adjusting ring can rotate together when the lantern ring rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023334768.2U CN214112748U (en) | 2020-12-31 | 2020-12-31 | Bicycle lifting seat tube stroke adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023334768.2U CN214112748U (en) | 2020-12-31 | 2020-12-31 | Bicycle lifting seat tube stroke adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214112748U true CN214112748U (en) | 2021-09-03 |
Family
ID=77493058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023334768.2U Withdrawn - After Issue CN214112748U (en) | 2020-12-31 | 2020-12-31 | Bicycle lifting seat tube stroke adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214112748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112606930A (en) * | 2020-12-31 | 2021-04-06 | 台湾穗高工业股份有限公司 | Bicycle lifting seat tube stroke adjusting device |
-
2020
- 2020-12-31 CN CN202023334768.2U patent/CN214112748U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112606930A (en) * | 2020-12-31 | 2021-04-06 | 台湾穗高工业股份有限公司 | Bicycle lifting seat tube stroke adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210903 Effective date of abandoning: 20221213 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210903 Effective date of abandoning: 20221213 |